Who Can Sign an AME Apprentice's Logbook?

In Canadian aviation maintenance, "signing an apprentice's logbook" does not refer to a single universal signature. Standard 566 and the Canadian Aviation Regulations distinguish four separate signing functions, each with its own regulatory basis, qualified signatories, and legal purpose:

1. General experience record (Standard 566.03(4)(d)(i)): Proof of total, specialty, and civil maintenance time must be submitted in a personal logbook or equivalent document "signed by the persons responsible for the maintenance release of the work items recorded" (or confirmed via employer letters).

2. Maintenance task skill certification (Standard 566.03(4)(e)(iv)): Proof of completing representative maintenance tasks (Appendix B) must take the form of a certification by "the AME, or equivalent person who supervised the work," attesting to specific candidate competencies.

3. Aircraft maintenance release (CAR 571.10 / 571.11, CAR 605.85): The operational certification in the aircraft's technical record declaring the maintenance meets airworthiness standards so the aircraft may fly, restricted to appropriately rated AMEs (and AMO-authorized ACA holders for commercial operations) or narrow non-AME exceptions under CAR 571.11(2).

4. Application document true-copy certification (TC Application Guidance): The administrative certification of copies of documents submitted to Transport Canada with a licence application, performed by a notary public, commissioner for oaths, TC safety inspector/officer/support personnel, or valid Canadian AME.

Standard 566 establishes two distinct documentation requirements for licence applicants, each with different signatory phrasing:

For the general experience log (the record of total, specialty, and civil maintenance months under Appendix A), Standard 566.03(4)(d)(i) requires the personal logbook or equivalent document to be "signed by the persons responsible for the maintenance release of the work items recorded." Transport Canada's published licensing guidance clarifies that equivalent documents include employment letters signed by the person(s) responsible for the maintenance release, identifying exact dates, types of work performed, and aircraft types.

For specific maintenance tasks (the requirement under Standard 566.03(4)(e)(i) to complete not less than 70% of applicable tasks from Appendix B), Standard 566.03(4)(e)(iv) requires proof to take the form of a certification by "the AME, or equivalent person who supervised the work." The certification statement must include the date, aircraft type, registration mark, or component serial number, and confirm that the applicant is able to: (A) identify the applicable standard for the task; (B) select the proper tools; (C) perform the work correctly without supervision; and (D) complete the necessary documentation. Standard 566.03(4)(e)(v) adds that persons who sign for completion of maintenance tasks are responsible for the accuracy of statements made.

In civilian hangar operations, the supervising AME who observes the apprentice's task is very often the same individual who signs the maintenance release for that work. However, the legal standard for task certification rests on direct supervision and competency assessment under 566.03(4)(e)(iv), while the general experience log under 566.03(4)(d)(i) is verified by the person responsible for the maintenance release.

For applicants with Canadian Armed Forces maintenance experience, Standard 566.03(4)(d)(iii) permits maintenance of military aircraft (or parts intended for military aircraft) to count toward total and specialty experience, but not toward civil experience (at least six months of civil maintenance experience on civil-registered aircraft remains mandatory). Under Standard 566.03(4)(e)(ii)(B), maintenance tasks on military aircraft are eligible provided they were performed on an aircraft type (or variant) for which a civilian type certificate has been issued, and at least 10% of required tasks are completed on civil-registered aircraft (566.03(4)(e)(iii)).

Under Transport Canada's published licensing guidance (Canadian AME Licensing General Information), TC explicitly defines who is deemed equivalent to an AME for certifying maintenance tasks under Standard 566.03(4)(e)(iv):

• A Level-A maintenance releaser: an individual granted Canadian Armed Forces authorization to sign a maintenance release for a given maintenance task or aircraft system.

• A Level-C Weapons Systems releaser: an individual authorized to certify an entire aircraft, where all maintenance tasks have been previously certified by an appropriate Level-A maintenance releaser and the aircraft has been returned to service.

Transport Canada guidance establishes strict conditions for these signatories: (1) applicants must provide documented proof that the signatories held the appropriate maintenance privileges, such as a confirmation letter from the Squadron or Unit Employment Training Office; and (2) military applicants who are Level-A maintenance releasers cannot sign for their own work. For general military experience under 566.03(4)(d)(i), TC accepts a certified true copy of the applicant's Personnel Record Resume, UER/MPRR, or a unit/squadron employment confirmation letter.

It is essential to synthesize the fundamental difference between certifying an apprentice's logbook and signing an aircraft maintenance release:

A maintenance release is an operational, aircraft-side legal certification under CAR 571.10. Under CAR 605.85(1), an aircraft that has undergone maintenance cannot legally take off unless a maintenance release has been signed certifying that the maintenance conforms to applicable airworthiness standards. CAR 571.11 restricts who may sign that release — requiring an AME licence with an appropriate rating (CAR 571.11(1)), an AMO Aircraft Certification Authority (ACA) for commercial operations under Part IV or VII (CAR 571.11(3) and Standard 573.05), and approved type training for transport category aeroplanes and turbine helicopters (CAR 571.11(4)).

By contrast, certifying an apprentice's logbook entry or task record is a personnel licensing action under Standard 566.03. It attests to Transport Canada that an individual applicant has accumulated qualifying hands-on time and demonstrated task-level competence. Signing an apprentice's task record does not release an aircraft for flight, and holding the authority to sign a maintenance release on an aircraft does not relieve a supervisor of the obligation to verify an apprentice's actual competence before signing under Standard 566.03(4)(e)(iv).

A fourth, distinct signing requirement occurs when submitting the completed licence application package to Transport Canada. Where supporting documents (such as basic training certificates, transcripts, government identification, and logbook records) are submitted by mail or electronically rather than in person, Transport Canada's published application guidance requires all submitted copies to be certified as true copies.

Under Transport Canada's application guidance (Obtaining an AME Licence, Step 5), true copies must be certified by one of the following individuals: (1) a notary public or commissioner for oaths; (2) a Transport Canada Civil Aviation Safety Inspector/Officer or Administrative (Operational) Support Personnel; or (3) a holder of a valid Canadian AME licence.

The certifying individual must state their name, region or AME licence number (as applicable), and the date of certification. This is an administrative verification of submitted paperwork, entirely separate from on-the-floor maintenance supervision or aircraft maintenance releases.

Transport Canada does not mandate a single, exclusive logbook product. Standard 566.03(4)(d)(i) recognizes "a personal log book or equivalent document." Transport Canada provides official maintenance task record forms by rating (M1/M2, E, S, and Balloon) as an acceptable method for documenting Appendix B tasks, and accepts commercial logbooks or employer-generated records that capture the required data elements.

Whatever format is used, each task entry must include the date, aircraft type, registration mark or component serial number, the supervisor's certification statement confirming the four required competencies, and the supervisor's signature and licence or military authorization details.